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Montana Field Guides

Lace Foam-flower - Tiarella trifoliata
Other Names:  Tiarella unifoliata

Native Species

Global Rank: G5
State Rank: S4S5
C-value: 5


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Rhizomatous perennial. Stems, glandular above, 15–50 cm. Leaves mostly basal, petiolate, sparsely hairy; broadly ovate, cordate, 3–8 cm wide, 3- to 5-lobed, crenate. Inflorescence a narrow, glandular, open panicle. Flowers nodding perfect, 5-merous; calyx irregularly cup-shaped with erect lobes 1–3 mm long; petals white, linear, 2–3 mm long, quickly falling; stamens 10, exserted, unequal, ovary superior. Fruit a capsule with 2 unequal, ovoid chambers, 4–6 and 7–10 mm long; seeds 1 per chamber (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK south to CA, ID and MT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1039

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
    • Simanonok, M.P. and L.A. Burkle. 2019. Nesting success of wood-cavity-nesting bees declines with increasing time since wildfire. Ecology and Evolution 9:12436-12445.
  • Web Search Engines for Articles on "Lace Foam-flower"
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Citation for data on this website:
Lace Foam-flower — Tiarella trifoliata.  Montana Field Guide.  .  Retrieved on , from